Desk



FIG. 1 is a perspective front view of a desk;

FIG. 2 is a front view of the desk;

FIG. 3 is a rear view of the desk;

FIG. 4 is a right side view of the desk;

FIG. 5 is a left side view of the desk;

FIG. 6 is a top view of the desk; and,

FIG. 7 is a bottom view of the desk.

The broken line portion of the figure drawings is included to show portions of the article that form no part of the claimed design. 

CLAIM The ornamental design for a desk, as shown and described. 